Specialty · city directory
Internal Medicine in Diamond Bar, CA
Active Internal Medicine providers practising in Diamond Bar, California. Profiles include the NPI number, taxonomy code, license state, and practice address.
21
providers indexed
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Internal Medicine providers in Diamond Bar, CA
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1265016687 | Al-Sayed MD Inc | Organization | Endocrinology, Diabetes & Metabolism Physician | Diamond Bar, CA |
| 1023831682 | Alaa Hajal MD | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1457540460 | Amar Medical Group Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1386330439 | Anees MD, Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1730575473 | Chandan Gowda | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1407810666 | Chengcong Wu | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1851928428 | Claire Daniel | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1518054048 | Diamond Bar Cardiovascular Medical Group Inc | Organization | Cardiovascular Disease Physician | Diamond Bar, CA |
| 1427231802 | Edwin Chuong | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1912084534 | Jenchen Yang | Individual | Cardiovascular Disease Physician | Diamond Bar, CA |
| 1497199772 | Jonathan D Ou MD Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1518109719 | Jonathan Ou | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1790732865 | Kamini S Chari MD Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1750477824 | Lorindha Argudo | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1881717197 | Michael Kwok | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1336214766 | Phillip Wunder | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1790750743 | Steve Chan | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1154624153 | Steve Li Chan MD Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
| 1437141587 | Sung Yoo | Individual | Gastroenterology Physician | Diamond Bar, CA |
| 1588639538 | Yuh-Huey Wang | Individual | Internal Medicine Physician | Diamond Bar, CA |
| 1427350156 | Yuh-Huey Wang M.D. Inc | Organization | Internal Medicine Physician | Diamond Bar, CA |
Frequently asked questions
How many Internal Medicine providers are in Diamond Bar, CA?
The latest NPPES snapshot lists 21 active Internal Medicine providers with a practice address in Diamond Bar, California.
How do I check a Internal Medicine provider's NPI in Diamond Bar?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry: every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-13.